208316080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:315

約数の個数: 160

約数和(自身を含む): 582962688

約数和(自身を除く): 374646608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 43, 56, 70, 80, 82, 86, 112, 140, 164, 172, 205, 211, 215, 280, 287, 301, 328, 344, 410, 422, 430, 560, 574, 602, 656, 688, 820, 844, 860, 1055, 1148, 1204, 1435, 1477, 1505, 1640, 1688, 1720, 1763, 2110, 2296, 2408, 2870, 2954, 3010, 3280, 3376, 3440, 3526, 4220, 4592, 4816, 5740, 5908, 6020, 7052, 7385, 8440, 8651, 8815, 9073, 11480, 11816, 12040, 12341, 14104, 14770, 16880, 17302, 17630, 18146, 22960, 23632, 24080, 24682, 28208, 29540, 34604, 35260, 36292, 43255, 45365, 49364, 59080, 60557, 61705, 63511, 69208, 70520, 72584, 86510, 90730, 98728, 118160, 121114, 123410, 127022, 138416, 141040, 145168, 173020, 181460, 197456, 242228, 246820, 254044, 302785, 317555, 346040, 362920, 371993, 484456, 493640, 508088, 605570, 635110, 692080, 725840, 743986, 968912, 987280, 1016176, 1211140, 1270220, 1487972, 1859965, 2422280, 2540440, 2603951, 2975944, 3719930, 4844560, 5080880, 5207902, 5951888, 7439860, 10415804, 13019755, 14879720, 20831608, 26039510, 29759440, 41663216, 52079020, 104158040, 208316080]

約数ペア:

[(1, 208316080), (2, 104158040), (4, 52079020), (5, 41663216), (7, 29759440), (8, 26039510), (10, 20831608), (14, 14879720), (16, 13019755), (20, 10415804), (28, 7439860), (35, 5951888), (40, 5207902), (41, 5080880), (43, 4844560), (56, 3719930), (70, 2975944), (80, 2603951), (82, 2540440), (86, 2422280), (112, 1859965), (140, 1487972), (164, 1270220), (172, 1211140), (205, 1016176), (211, 987280), (215, 968912), (280, 743986), (287, 725840), (301, 692080), (328, 635110), (344, 605570), (410, 508088), (422, 493640), (430, 484456), (560, 371993), (574, 362920), (602, 346040), (656, 317555), (688, 302785), (820, 254044), (844, 246820), (860, 242228), (1055, 197456), (1148, 181460), (1204, 173020), (1435, 145168), (1477, 141040), (1505, 138416), (1640, 127022), (1688, 123410), (1720, 121114), (1763, 118160), (2110, 98728), (2296, 90730), (2408, 86510), (2870, 72584), (2954, 70520), (3010, 69208), (3280, 63511), (3376, 61705), (3440, 60557), (3526, 59080), (4220, 49364), (4592, 45365), (4816, 43255), (5740, 36292), (5908, 35260), (6020, 34604), (7052, 29540), (7385, 28208), (8440, 24682), (8651, 24080), (8815, 23632), (9073, 22960), (11480, 18146), (11816, 17630), (12040, 17302), (12341, 16880), (14104, 14770)]